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Multiparameter flow cytometric analysis of CD14 expression on human peripheral blood leucocyte populations. Human whole blood was stained with either PE Mouse IgG1, κ Isotype Control (Cat. No. 554680; Left Plot) or PE Mouse Anti-Human CD14 antibody (Cat. No. 567731/567732; Right Plot). After staining, the erythrocytes were lysed with BD Pharm Lyse™ Lysing Buffer (Cat. No. 555899). The bivariate pseudocolor density plot showing the correlated expression of CD14 (or Ig Isotype control staining) versus side-light scatter (SSC-A) signals was derived from gated events with the forward and side-light scatter characteristics of viable leucocyte populations. Flow cytometry and data analysis were performed using a BD LSRFortessa™ X-20 Cell Analyzer System and FlowJo™ software.
BD Pharmingen™ PE Mouse Anti-Human CD14
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Preparation And Storage
Recommended Assay Procedures
BD® CompBeads can be used as surrogates to assess fluorescence spillover (Compensation). When fluorochrome conjugated antibodies are bound to BD® CompBeads, they have spectral properties very similar to cells. However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls. It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and BD CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application.
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Companion Products
The 63D3.rMAb is a recombinant monoclonal antibody that specifically recognizes human CD14 which is also known as Monocyte differentiation antigen CD14, Myeloid cell-specific leucine-rich glycoprotein, or LPS Receptor (LPS-R). CD14 is expressed as an ~55 kDa glycophosphatidylinositol (GPI)-linked cell surface glycoprotein. CD14 is highly expressed on most mature monocytes and macrophages, and at lower levels on neutrophils. CD14 is also expressed on some dendritic cells (DC) and Langerhans cells. CD14 binds to bacterial cell wall components including lipopolysaccharide (LPS) bound to lipopolysaccharide-binding protein (LBP). CD14 serves as a co-receptor for certain signaling Toll-like receptors (TLRs) for the cellular detection and response to LPS as well as other pathogen-associated molecular patterns (PAMPs). Ligand-bound CD14 plays a role in stimulating various myeloid cells to produce pro-inflammatory cytokines and mediators and to upregulate the expression of cell surface adhesion molecules. Soluble forms of CD14 (sCD14) are reportedly released by cells into the blood or other bodily fluids. Soluble CD14 can regulate cellular responses to LPS and confer LPS-responsiveness to cells that do not ordinarily express CD14.
Development References (4)
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Devitt A, Moffatt OD, Raykundalia C, Capra JD, Simmons DL, Gregory CD. Human CD14 mediates recognition and phagocytosis of apoptotic cells.. Nature. 1998; 392(6675):505-9. (Clone-specific: Blocking, ELISA, Functional assay, Western blot). View Reference
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Rosenberg SA, Ligler FS, Ugolini V, Lipsky PE. A monoclonal antibody that identifies human peripheral blood monocytes recognizes the accessory- cells required for mitogen-induced T lymphocyte proliferation.. J Immunol. 1981; 126(4):1473-7. (Immunogen: Bioassay, Flow cytometry, Fluorescence activated cell sorting). View Reference
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Ugolini V, Nunez G, Smith RG, Stastny P, Capra JD. Initial characterization of monoclonal antibodies against human monocytes.. Proc Natl Acad Sci USA. 1980; 77(11):6764-8. (Immunogen: Cytotoxicity, Flow cytometry, Radioimmunoassay). View Reference
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Wu Z, Zhang Z, Lei Z, Lei P. CD14: Biology and role in the pathogenesis of disease.. Cytokine Growth Factor Rev. 2019; 48:24-31. (Biology). View Reference
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